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2.
An estimated 32% of Africa’sThe Problem children under five years of age are vitamin A deficient. Vitamin A deficiency can limit growth, weaken immunity, cause xeropthalmia leading to blindness, and increased risk of mortality VAD is caused by inadequate intakes and loss due to illness Food-based approaches to combat VAD address one of the major underlying causes but criticized for lack of evidence

3.
Orange-fleshed Sweetpotato: A Potential Contribution to the Solution Most varieties in SSA white-fleshed: marginal change The Challenge: Will OFSP yield as well as the local variety? Will consumers like the taste? What is needed to impact VAD? Will initial adoption be sustained?

5.
Efficacy Study Among School Children in South Africa ResistoBosbok Efficacy studies 1. Completed in South Africa in 2004 Potential of OFSP 2. Modified relative dose response method in combating VAD 3. 120 gm. fed to school children for 5 days a week for 3 months significantly improved amounts of Vitamin A stored in the liver van Jaarsveld et al., AJCN 81, 1080-87, 2005.

10.
Sought funding for a major investment to Breed inAfrica for Africa & to improve the “seed” system... Breeder Maria Andrade (on 15 new drought-tolerant right) focused on vine vigor, OFSP varieties were drought tolerance, and taste… released in February 2011 better yield alone is not sufficient

12.
High adoption rates (>60%) & positive outcomes on vitamin A intake among children and their mothers (intent to treat figures, include non- adopters)Wolfgang H PFEIFFER (Impact Study led by IFPRI) Estimated Average Requirements (EAR): satisfy 50% of needs of age group

15.
Can linking an agricultural intervention and nutritionaltraining to existing ante-natal care services in Western Kenya provide an incentive to pregnant women to: 1) increase health service utilization 2) increase consumption of OFSP and other vitamin A rich foods by themselves and their children than existing health services alone? 3) Will there be a positive impact on vitamin A status?

17.
SPHI is a multi- partner, multi-donor initiative that seeks to reduce child undernutrition and improve smallholder incomes in 10 million African families by 2020 through the effective production and expanded use of sweetpotato. 16 Target Countries SASHA in 8 countriesOther projects in additional 4 Countries